#### Roman to Integer

Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I 1 V ...

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#### Container With Most Water

Given n non-negative integers a1, a2, ..., an , where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two ...

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#### Unique-paths

A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below). The robot can only ...

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#### Intersection of Two Linked Lists

Write a program to find the node at which the intersection of two singly linked lists begins. For example, the ...

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#### Check if string has all unique characters

Implement an algorithm to determine if a string (of characters from ‘a’ to ‘z’) has all unique characters or not ...

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#### Trapping Rain Water

Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water ...

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#### Array VS Hash Table

Hash table tutorial Find element in Array function fuindInArray() { var t0 = performance.now(); for(var q = 0; q < ...

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#### Majority element in array

Given an array of size n, find the majority element. The majority element is the element that appears more than ⌊ n/2 ⌋ times ...

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#### Maximum Subarray

Given an integer array nums, find the contiguous subarray (containing at least one number) which has the largest sum and return its ...

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